<?php
class GoodsTheme{
    protected $main_table = 'data_goods_theme';
	protected $main_id = 'gt_id';
	protected $db = null;	
	public function __construct($db){
		$this->db=$db;
	}   
	public function __destruct(){
		unset($this->db);
	}
	public function get_table_name(){
	    return $this->main_table;
	    
	}
		
	/**
	* 	insert goods_theme
	* 	@param array $data 
	* 	@return int affected count
	*/
	public function insert_data($data){
		if(!is_array($data))
		my_jump('输入的参数有误');
		$rows = $this->db->insert($this->main_table, $data);
		$insert_id = $this->db->getInsertId();
		return $insert_id;	
	}	
	
	
	/**
	* 	update goods_theme
	* 	@param array $data 
	* 	@param string $where 
	* 	@return int affected count
	*/
	public function update_data($data,$where){
		if(!is_array($data))
		my_jump('输入的参数有误');
		$result = $this->db->update($this->main_table,$data,$where);
		return $result;
	}
	
	/**
	* 	delete goods_theme
	* 	@param string $where 
	* 	@return int affected count
	*/
	public function del_data($id){//删除		
		$where = "goods_id='".$id."'";
		$result = $this->db->delete($this->main_table,$where);
		return $result;
	}	
	
	/**
	* 	get goods_theme info
	* 	@param int $id 
	*	@param array/string $field
	* 	@return array one row data
	*/
	public function get_data_row($id,$field='*'){
		if(!intval($id))
		my_jump('输入的参数有误!');
		$sql = "SELECT ".$field." FROM ".$this->main_table." WHERE ".$this->main_id."='".intval($id)."' ";
		$data = $this->db->getRow($sql);
		return $data;
	}	
	
	/**
	* 	get goods_theme array
	* 	@param string $where
	* 	@return array data
	*/
	public function get_data_array($where,$order='gt_id DESC',$limit='10',$field='*'){
		$sql = "SELECT ".$field." FROM ".$this->main_table." WHERE ".$where." ORDER BY ".$order;
		if(intval($limit)){
			$sql .= " LIMIT ".$limit;
		}
		$data = $this->db->getAll($sql);
		return $data;
	} 

	//用于手机端的ajax异步请求
	public function get_theme_list($where,$page,$order="gt_id DESC",$field="*",$pageCount=10){
		$sql = "SELECT ".$field." FROM ".$this->main_table." WHERE ".$where." ORDER BY ".$order." LIMIT ".($page-1)*$pageCount.",".$pageCount;
		$list = $this->db->getAll($sql);		
		return $list;
	}
	
}

?>